Butter dish



FIG. 1 is an oblique perspective view from the side and above the butter dish showing my new design;

FIG. 2 is a left side elevational view thereof, the right side elevational view being a mirror image thereof;

FIG. 3 is a front elevational view thereof, the rear elevational view being a mirror image thereof;

FIG. 4 is a top view of the butter dish showing my new design; and

FIG. 5 is a bottom plan view thereof. 

The ornamental design for a butter dish, as shown and described. 